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  1. E

    How to Test Iron Level before filling Newly Plastered Pool Filling w/Well Water

    I had this problem--enough iron in well water that the pool turns brown when the water combines with chlorine if I add a lot of water (i.e., I did an exchange to reduce CYA and the color was pretty bad afterwards). The inline filters work well, but we recently got a whole-house iron filter, and...
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    Chlorine Date Code Decoder/Easy Way to Measure Strength.

    I have another date code, for Champion Pool Shock: yyddd, a five digit number.
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    Any way to reduce CYA without draining?

    Hi Marty, I am about 80% done with the water exchange, but now my water is brownish (I have well water). I presume it's iron. Can you recommend how to get rid of it? I've seen reference to the polyfill in the skimmer trick, but is there anything else I can do to help the situation? Thanks,
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    Any way to reduce CYA without draining?

    Thanks for the quick response, and the help Marty!
  5. E

    Any way to reduce CYA without draining?

    Hi Marty, I've read about your water exchange method, and I want to try it. My water supply can provide 10 gpm, and I have a pump that can match it. You recommended draining 75% of the water, which will take about 16.3 hours at my flow rate. Is it feasible to use your exchange method for that...
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    Any way to reduce CYA without draining?

    Thanks a lot Marty, and everyone, for the quick responses. Guess I know what I have to do now!
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    Any way to reduce CYA without draining?

    Got a Taylor test kit, K2006. It's actually at 160 CYA! But my water looks good. I'm currently using liquid chlorinator to keep FC at around 12ppm (i.e., 7.5% of CYA). My pool guy thinks I don't need to drain it, says he has customers who use nothing but Trichlor, ever, and their water is...
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    Any way to reduce CYA without draining?

    Clear. I've had algae problems only a couple of times, when my chlorine feeder ran out. Then I would always refill it, shock the pool, and the problem would subside. My pool has just a little green tinge on the walls, very slight, but the water looks nice and clear.
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    Any way to reduce CYA without draining?

    Sorry, Industrial Test Systems, not "International".
  10. E

    Any way to reduce CYA without draining?

    Thanks Marty. I just updated my signature. I tested with brand new Industrial Test Systems Pool Check 6 in 1 strips
  11. E

    Any way to reduce CYA without draining?

    Thanks everyone for the quick answers. Actually, the water looks great. I've always used the Trichlor pucks, never liquid, so I'm now not surprised to find the CYA level is high, but it sounds like I need to get a Taylor test kit. I tested it with a brand new test strip Pool Check 6 strip...
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    Any way to reduce CYA without draining?

    Hi. I'm new to this forum, and a fairly new pool owner. I just found out (for the first time!) that I can't use Trichlor forever and just forget about chlorine. So I bought a more complete test strip and found, as I expected after learning a little about CYA, that my pool's level is 100 ppm...
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